Selectively sized multi-ply core stock paper, methods, and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 23, 2017
Grant Date -
May 12, 2016
app pub date -
Jul 8, 2014
filing date -
Jul 9, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods of making a multi-ply paperboard core include providing a number of paperboard furnishes and layering the furnishes to form a multi-ply paperboard web, wherein the two outermost plies are formed of furnish containing no size and the two plies adjacent the outermost plies are formed of furnish containing size. Apparatus for making a multi-ply paperboard core include two or more furnish sources configured to provide a number of paperboard furnishes, wherein at least one furnish source provides furnish containing no size and at least one furnish source provides furnish containing size, and a paperboard forming section wherein the furnishes are layered to form a multi-ply paperboard web in which the two outermost plies are formed of furnish containing no size and the two plies adjacent the two outermost plies are formed of furnish containing size.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully